The CYP2D6B mutant allele is overrepresented in the Lewy body variant of Alzheimer's disease.

Saitoh, T; Xia, Y; Chen, X; Masliah, E; Galasko, D; Shults, C; Thal, L J; Hansen, L A et al. · Ann Neurol · 1995

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Abstract

Approximately one-fourth of neuropathologically confirmed cases of Alzheimer's disease (AD) also have brainstem and neocortical Lewy bodies, constituting a Lewy body variant of AD. Because Lewy bodies are a pathologic hallmark of Parkinson's disease (PD), this subpopulation of AD subjects may have the same risk factors as PD subjects. Analyses of the cytochrome P450 CYP2D6-debrisoquine 4-hydroxylase mutant B allele, a susceptibility gene for PD, revealed a higher representation of this allele in the Lewy body variant of AD than in pure AD or non-AD without Lewy bodies.

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